What plant hardiness zone is Union

Union is located at Newton County, Mississippi (MS), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Union is 8a by the USDA scale.

Coldest zone's winter temperature is +10 … +15 °F.

Plants of 8a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8a USDA.

Union, Mississippi @ wikipedia.